Substitution

Work out the value of a + b when a = 3 and b = 4

• 7

• 8

• 9

• 6

Tags

CCSS.6.EE.A.2C

Work out the value of 2a when a = 3

• 5

• 6

• 8

• 10

Tags

CCSS.6.EE.A.2C

Work out the value of 3ab when a = 3, b = 4

• 10

• 12

• 15

• 36

Tags

CCSS.6.EE.A.2C

Work out the value of 2a² + c² when a = 3 and c = 5.

• 22

• 34

• 68

• 43

Tags

CCSS.6.EE.A.2C

• 3

• 4

Tags

CCSS.6.EE.A.2C

Work out the value of y + x – z when x = 3, y = – 2 and z = – 4.

• -5

• -3

• 3

• 5

Tags

CCSS.6.EE.A.2C

Work out the value of 2ab the expression when a = 3, b = – 4.

• 1

• 24

• -24

• 9

Tags

CCSS.6.EE.A.2C

Work out the value of 2x² + z² when x = 3 and z = – 4.

• 2

• 27

• 50

• 34

Tags

CCSS.6.EE.A.2C

• -3

• 4

• 3

• -4

Tags

CCSS.6.EE.A.2C

If y=7,find the value of 2(y+4)

• 11
• 22
• 20
• 18

Tags

CCSS.6.EE.A.2C